Hussmann SMBT Instruction Manual

T'Stat Bulb
Location
(Optional
Lights)
E
F
C
D
A
B
P/N 0420063_B
Merchandisers
®
Note: Changed items have been underlined.
Item Part # Description Wiring Item #
FAN ASSEMBLIES AND THERMOSTATS
A. 0392457 Fan Motor, Evaporator (120V) (1)
(MO.4410101)
0409512 Fan Blade (120V) (FB.0409512)
embossing toward motor
0436517 Fan Motor, Evaporator (220V)
(MO.4410105)
0409513 Fan Blade (220V) (FB.0409513)
embossing toward motor
B. 0404551 Fan Motor, Ambient (120V) (2)
(MO.0404551)
0404552 Fan Motor, Ambient (220V)
(MO.4410590)
C. 0382028 Standard Non-adjustable (3)
Defrost Thermostat
(CT.0382028)
D. 0137880 Optional Adjustable (4)
Refrigeration Thermostat
(CT.4481084)
Item Part # Description Wiring Item #
LAMPS AND BALLASTS
E. 0355716 Ballast, Electronic, 2 lamps
(120V) (BA.0355716) (5)
E. 0355398 Ballast, Electronic, 3 lamps
(120V) (BA.4480118) (6)
E. 0440215 Ballast, Electronic, 2 lamps
(230V 50-60 Hz) (BA.4481267) (5)
E. 0428652 Ballast, Electronic, 3 lamps
(230V 50-60 Hz) (BA.4480897) (6)
0385104 Ballast Transformer
(230V 50-60 Hz, per ballast)
(TR.4481191)
F. Fluorescent Lamp (7)
Replace with like fixtures
©2007 HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
U.S. & CANADA 1-800-922-1919 • MEXICO 1-800-522-1900 • WWW.HUSSMANN.COM
SMBT
Technical Data Sheet
P/N 0420063_B
NSF®Certified
January 2007
We reserve the right to change or revise specifications
and product design in connection with any feature of
our products. Such changes do not entitle the buyer to
corresponding changes, improvements, additions or
replacements for equipment previously sold or shipped.

HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A. SMBT Technical Data Sheet2 of 6
C
L
(See Note*)
255 / 8
(651)
25 5/8
(651)
Legs
283 / 4
(730)
Front
Refrigeration
Outlet
Water Seal
Waste Outlet
Leg Center Lines
Electrical
44 5/8
(1133)
333 / 8
(849)
(See Note**)
SMBT
SMGT
SSGT
A
B
D
C
E
Dimensions shown as in. and (mm).
4 ft 6 ft 8 ft 12 ft
General
(A) Case Length 48 1/4 (1226) 72 1/4 (1835) 96 3/8(2448) 144 1/2(3670)
Maximum O/S dimension of case back to front 44 5/8(1134) 44 5/8(1134) 44 5/8(1134) 44 5/8(1134)
(Note: Includes bumper)
Back of case to front of splashguard 33 3/8(848) 33 3/8(848) 33 3/8(848) 33 3/8(848)
Center of rear legs to center of front legs 25 5/8(651) 25 5/8(651) 25 5/8(651) 25 5/8(651)
Each End and Partition adds 1 1/2in. (38 mm) to the length of the lineup.
Electrical Service
(B) RH end of case to Electrical raceway right edge 7 (178) 7 (178) 7 (178) 7 (178)
(C) RH end of case to Electrical raceway left edge 41 3/8(1051) 32 3/4(831) 44 1/2(1131) 44 1/2(1131)
Back of case to center of knockout 3 5/8(92) 3 5/8(92) 3 5/8(92) 3 5/8(92)
* Electrical Field Wiring Connection Point
Waste Outlet
(D) RH end of case to the center of waste outlet 24 (610) 24 (610) 24 (610) 24 (610)
Back of case to center of waste outlet 25 5/8(652) 25 5/8(652) 25 5/8(652) 25 5/8(652)
Water Seal
Center of tee to center of waste outlet 11 3/8(289) 11 3/8(289) 11 3/8(289) 11 3/8(289)
Outside diameter of drip piping 1 1/2(38) 1 1/2(38) 1 1/2(38) 1 1/2(38)
** Field installed water seal outlets, tees, and connectors are shipped with the merchandiser.
Refrigeration Outlet
Back of case to center of refrigeration outlet 28 3/4(731) 28 3/4(731) 28 3/4(731) 28 3/4(731)
(E) RH end of case to center of refrigeration outlet 9 3/8(238) 9 3/8(238) 9 3/8(238) 9 3/8(238)
Outside diameter of the liquid line 3/8(9.5) 3/8(9.5) 3/8(9.5) 3/8(9.5)
Outside diameter of the suction line 5/8(16) 5/8(16) 5/8(16) 5/8(16)
Meat & Delicatessen
Engineering
Plan Views

REFRIGERATION DATA
Note: This data is based on store temperature
and humidity that does not exceed 75°F and
55% R.H.
SMBT
Discharge Air (°F) 24
Evaporator (°F) 18
Unit Sizing (°F) 16
Btu/hr/ft SMBT
Parallel 420
Conventional 450
DEFROST DATA
SMBT
Frequency (hr) 12
Defrost Water (lb/ft/day) 0.20
(± 15% based on case configuration and
product loading).
OFFTIME SMBT
Temp Term (°F) 43°
Failsafe (minutes) 90
ELECTRIC OR GAS Not Recommended
Standard Defrost Thermostat
Close on rise: close 43°F — open 33°F
CONVENTIONAL CONTROLS
Low Pressure Backup Control
SMBT
CI/CO (Temp °F)*11°F / 1°F
Indoor Unit Only, Pressure Defrost
Termination (Temp °F)*
Not Recommended
*Use a Temperature Pressure Chart to
determine PSIG conversions.
PHYSICAL DATA
Merchandiser Drip Pipe (in.) 1 1/2
Merchandiser Liquid Line (in.) 3/8
Merchandiser Suction Line (in.) 5/8
Estimated Charge (lb)**
4 ft 0.75
6 ft 1.0
8 ft 1.5
12 ft 2.0
**This is an average for all refrigerant types.
Actual refrigerant charge may vary by
approximately half a pound.
Length Added to Lineup by:
Each Plastic End w/ Bumper (in.) 3 1/2
Each End/Partition (in.) 1 1/2
3 of 6P/N 0420063_B HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
22 1/2
(572)
SMBT
52
(1321)
33
5/8
(854)
25 5/8(651)
28 3/4 (730)
34
(864)
20
(508)
24 1/4
(616)
13
3/4
(349)
33 3/8 (849)
44 5/8 (1133)
3
5/8
(92)
FAN COIL
11 3 /8
(289)
10 1 /2
(267)
7
(178)
10
(254)
Refrig.
Outlet
Elec.
FAN
24O
18 1/2
(470)
Dimensions shown as in. and (mm).
Impact SMBT
Meat & Delicatessen
Flat Hinged Glass, Blower, 3 Display Level
NSF Certification
These merchandisers are manufactured to meet ANSI /National Sanitation
Foundation (NSF ®) Standard #7 requirements.

HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A. SMBT Technical Data Sheet4 of 6
Impact SMBT
Meat & Delicatessen
Electrical Data
Number of Fans 4 ft 6 ft 8 ft 12 ft
Refrigeration (120V 60hz) – 4W 1 2 2 3
Ambient Air Wipe – 15W 2 4 4 6
Export Refrigeration (230V 50 hz ) – 4W 1 2 2 3
Export Ambient Air Wipe – 15W 2 4 4 6
Amperes Watts
Merchandiser 4 ft 6 ft 8 ft 12 ft 4 ft 6 ft 8 ft 12 ft
Refrigeration Fans
Standard (120V 60hz) 0.31 0.62 0.62 0.93 24 48 48 72
Energy Efficient(120V 60hz) NA NA NA NA NA NA NA NA
Export: 230V 50 hz 0.18 0.36 0.36 0.54 27 54 54 81
Ambient Air Wipe Fans
Standard (120V 60hz) 0.26 0.52 0.52 0.78 15 30 30 45
Energy Efficient(120V 60hz) NA NA NA NA NA NA NA NA
Export: 230V 50 hz 0.13 0.26 0.26 0.39 15 30 30 45
Constant On Anti-sweat Heaters NA NA NA NA NA NA NA NA
Cycling Anti-sweat Heaters NA NA NA NA NA NA NA NA
Minimum Circuit Ampacity
With Standard Fans (120V 60hz) 0.77 1.34 1.34 1.91
With Energy Efficient Fans (120V 60hz) NA NA NA NA
With Export Fans (230V 50 hz ) 0.51 0.82 0.82 1.13
Maximum Over Circuit Protection 120V 20 20 20 20
Electric Defrost Heaters (208V) NA NA NA NA NA NA NA NA
Gas Defrost Heaters (208V) NA NA NA NA NA NA NA NA
Standard Lighting* (120V 60hz) 4 ft 6 ft 8 ft 12 ft 4 ft 6 ft 8 ft 12 ft
2 Row Canopy 0.49 0.80 0.98 1.42 58 92 116 170
1 Row Rail 0.49 0.40 0.49 0.71 58 46 58 85
Optional Lighting
1 Row Ledge 0.49 0.40 0.49 0.71 58 46 58 85
2 Row Shelves 0.49 0.80 0.98 1.42 58 92 116 170
115V Lighting Circuit Total = Standard Lighting + Total Optional Lighting + Optional Shelf Lighting
230V Lighting Circuit Total = Multiply 115V Lighting Circuit Total by 0.52do

5 of 6P/N 0420063_B HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. • WWW.HUSSMANN.COM
R = Red G = Green BL = Blue LB = Light Blue DB = Dark Blue B = Black W = White
= 120V POWER = 120V NEUTRAL = Field GROUND = Case GROUND
Fan Wiring
Offtime Defrost
Fans
Electric Service Receptacle Receptacles
120V N EUTRAL
MAROON
BAND
120V P OWER
W
B
G
N.E.C.
TAGS
MAROON
BAND
Defrost
Termination
Thermostat
Refrigeration
Thermostat
To
Condensing Unit
}
(Field Installed)
34
BROWN BAND
Fans
BROWN BAND
120V POWER
120V NEUTRAL
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
Circled Numbers = Parts List Item Numbers
Grayed components in 12 foot models only.
1
BROWN BAND
Fans
BROWN BAND
120V POWER
120V NEUTRAL
2
Ambient Fan
Wiring
Glass Air Wipe
Fans
DB
DB
LB
LB
4 ft case has 1 Fan
6 ft case has 2 Fans
8 ft case has 2 Fans
12 ft case has 3 Fans
4 ft case has 2 Fans
6 ft case has 4 Fans
8 ft case has 4 Fans
12 ft case has 6 Fans

SMBT Technical Data Sheet6 of 6 HUSSMANN CORPORATION, Bridgeton, MO 63044-2483 U.S.A.
7
5
connectors
G
R
BL
BL
R
G
7
BL
R
BL
7
5
connectors
G
R
BL
BL
R
G
7
BL
R
BL
W
B
G
connectors
W
BG
Optional Shelf Harness
and Light Circuits
Standard Lighting 2 Row Canopy,
1 Row Interior Rail
Light Circuits
R = Red G = Green BL = Blue B = Black W = White
= 120V POWER = 120V NEUTRAL = Field GROUND = Case GROUND
WARNING
All components must have mechanical ground, and the merchandiser must be grounded.
Circled Numbers = Parts List Item Numbers
Grayed components in 12 foot models only.
5
77
120V NEUTRAL
ORANGE OR TAN BAND
R
R
BL
BL BL
BL
W
Light
Switch
120V POWER
ORANGE OR TAN
BAND
B
W
R
R
BL
BL
R
BL
R
R
BL
BL
R
BL
BL
B
B
W
GG
G
G
G
GG
GG
G
G
R
5
5
7
7
77
77 7
R
R
BL
BL
R
BL
BL
GGG
5
77 7
Optional Ledge
Light Circuit
Rail Light Circuit
7
5
connectors
G
R
BL
BL
R
G
7
BL
R
BL
connectors
W
B
G